10THE CHROMATIC THERMOMETER
This project was initially created to provide a quick visual indication of local temperature. At its simplest, it is a thermometer that displays the temperature by turning on a sequence of LEDs of different colors. During development, however, the project gained more features, including an LCD readout to supplement the basic color readout. And while experimenting, I came across an IC that provides extremely accurate measurement without special calibration, which improved the device greatly.
The Chromatic Thermometer includes 10 different colored LEDs, each of which lights up when the sensor detects a particular temperature. ...
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